Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I ought to knock knock you ought to knock knock she ought to knock knock we ought to knock knock you ought to knock knock they ought to knock knock
V-ing form
I ought to be knock knocking you ought to be knock knocking she ought to be knock knocking we ought to be knock knocking you ought to be knock knocking they ought to be knock knocking
Perfect
I ought to have knock knocked you ought to have knock knocked she ought to have knock knocked we ought to have knock knocked you ought to have knock knocked they ought to have knock knocked
V-ing perfect
I ought to have been knock knocking you ought to have been knock knocking she ought to have been knock knocking we ought to have been knock knocking you ought to have been knock knocking they ought to have been knock knocking
Negation
Simple form
I ought not to knock knock you ought not to knock knock she ought not to knock knock we ought not to knock knock you ought not to knock knock they ought not to knock knock
V-ing form
I ought not to knock knocking you ought not to knock knocking she ought not to knock knocking we ought not to knock knocking you ought not to knock knocking they ought not to knock knocking
Perfect
I ought not to have knock knocked you ought not to have knock knocked she ought not to have knock knocked we ought not to have knock knocked you ought not to have knock knocked they ought not to have knock knocked
V-ing perfect
I ought not to have been knock knocking you ought not to have been knock knocking she ought not to have been knock knocking we ought not to have been knock knocking you ought not to have been knock knocking they ought not to have been knock knocking
Interrogative form
Simple form
ought to I knock knock? ought to you knock knock? ought to she knock knock? ought to we knock knock? ought to you knock knock? ought to they knock knock?
V-ing form
ought to I be knock knocking? ought to you be knock knocking? ought to she be knock knocking? ought to we be knock knocking? ought to you be knock knocking? ought to they be knock knocking?
Perfect
ought to I have knock knocked? ought to you have knock knocked? ought to she have knock knocked? ought to we have knock knocked? ought to you have knock knocked? ought to they have knock knocked?
V-ing perfect
ought to I have been knock knocking? ought to you have been knock knocking? ought to she have been knock knocking? ought to we have been knock knocking? ought to you have been knock knocking? ought to they have been knock knocking?
Interro-negative form
Simple form
ought I not to knock knock? ought you not to knock knock? ought she not to knock knock? ought we not to knock knock? ought you not to knock knock? ought they not to knock knock?
V-ing form
ought I not to be knock knocking? ought you not to be knock knocking? ought she not to be knock knocking? ought we not to be knock knocking? ought you not to be knock knocking? ought they not to be knock knocking?
Perfect
ought I not to have knock knocked? ought you not to have knock knocked? ought she not to have knock knocked? ought we not to have knock knocked? ought you not to have knock knocked? ought they not to have knock knocked?
V-ing perfect
ought I not to have been knock knocking? ought you not to have been knock knocking? ought she not to have been knock knocking? ought we not to have been knock knocking? ought you not to have been knock knocking? ought they not to have been knock knocking?